scholarly journals Analysis of Direct Band Gap A2ScInI6 (A=Rb, Cs) Double Perovskite Halides Using DFT Approach for Renewable Energy Devices

2021 ◽  
Author(s):  
N.A. Noor ◽  
M. Waqas Iqbal ◽  
Taharh Zelai ◽  
Asif Mahmood ◽  
H.M. Shaikh ◽  
...  
Keyword(s):  
Renewable Energy ◽  
Band Gap ◽  
Double Perovskite ◽  
Energy Devices ◽  
Direct Band Gap ◽  
Direct Band

Lead-Free Direct Band Gap Double-Perovskite Nanocrystals with Bright Dual-Color Emission

2018 ◽  
Vol 140 (49) ◽  
pp. 17001-17006 ◽  
Author(s):  
Bin Yang ◽  
Xin Mao ◽  
Feng Hong ◽  
Weiwei Meng ◽  
Yuxuan Tang ◽  
...  
Keyword(s):  
Band Gap ◽  
Double Perovskite ◽  
Lead Free ◽  
Perovskite Nanocrystals ◽  
Direct Band Gap ◽  
Dual Color ◽  
Direct Band ◽  
Color Emission

Cs2TlBiI6: a new lead-free halide double perovskite with direct band gap

2019 ◽  
Vol 31 (44) ◽  
pp. 445902 ◽  
Author(s):  
Shruthi Nair ◽  
Mrinalini Deshpande ◽  
Vaishali Shah ◽  
Subhash Ghaisas ◽  
Sandesh Jadkar
Keyword(s):  
Band Gap ◽  
Double Perovskite ◽  
Lead Free ◽  
Direct Band Gap ◽  
Direct Band

scholarly journals Cs2NaGaBr6: a new lead-free and direct band gap halide double perovskite

RSC Advances ◽  
2020 ◽  
Vol 10 (30) ◽  
pp. 17444-17451 ◽  
Author(s):  
Yasir Saeed ◽  
Bin Amin ◽  
Haleema Khalil ◽  
Fida Rehman ◽  
Hazrat Ali ◽  
...  
Keyword(s):  
Band Gap ◽  
Double Perovskite ◽  
Lead Free ◽  
Direct Band Gap ◽  
Perovskite Materials ◽  
Direct Band

In this work, we have studied new double perovskite materials, A21+B2+B3+X61−, where A21+ = Cs, B2+ = Li, Na, B3+ = Al, Ga, In, and X61−.

scholarly journals Correction: Cs2NaGaBr6: a new lead-free and direct band gap halide double perovskite

RSC Advances ◽  
2020 ◽  
Vol 10 (34) ◽  
pp. 20196-20196
Author(s):  
Yasir Saeed ◽  
Bin Amin ◽  
Haleema Khalil ◽  
Fida Rehman ◽  
Hazrat Ali ◽  
...  
Keyword(s):  
Band Gap ◽  
Double Perovskite ◽  
Lead Free ◽  
Direct Band Gap ◽  
Direct Band

Correction for ‘Cs2NaGaBr6: a new lead-free and direct band gap halide double perovskite’ by Yasir Saeed et al., RSC Adv., 2020, 10, 17444–17451, DOI: 10.1039/D0RA01764G.

scholarly journals Cs2InAgCl6: A New Lead-Free Halide Double Perovskite with Direct Band Gap

2017 ◽  
Vol 8 (4) ◽  
pp. 772-778 ◽  
Author(s):  
George Volonakis ◽  
Amir Abbas Haghighirad ◽  
Rebecca L. Milot ◽  
Weng H. Sio ◽  
Marina R. Filip ◽  
...  
Keyword(s):  
Band Gap ◽  
Double Perovskite ◽  
Lead Free ◽  
Direct Band Gap ◽  
Direct Band

Optical Studies of Poly (N-Carbazole) (PVK) Blending with Polyvinylpyrrolidone (PVP) Using Tauc/Davis-Mott Model

2013 ◽  
Vol 652-654 ◽  
pp. 527-531 ◽  
Author(s):  
A.N. Alias ◽  
T.I. Tunku Kudin ◽  
Z.M. Zabidi ◽  
M.K. Harun ◽  
Ab Malik Marwan Ali ◽  
...  
Keyword(s):  
Band Gap ◽  
Urbach Energy ◽  
Quartz Substrate ◽  
Optical Studies ◽  
Direct Band Gap ◽  
Mott Model ◽  
Blended Polymer ◽  
Electronic Parameters ◽  
Direct Band ◽  
Indirect Band Gap

The optical absorption spectra of blended poly (N-carbazole) (PVK) with polyvinylpyrrolidone (PVP) in various compositions are investigated. A doctor blade technique was used to coat the blended polymer on a quartz substrate. The electronic parameters such as absorption edge (Ee), allowed direct band gap (Ed), allowed indirect band gap (Ei), Urbach edge (Eu) and steepness parameter (γ) were calculated using Tauc/Davis-Mott Model. The results reveal that the Ee, Ed and Ei increase with increasing of PVP ratio. There also have variation changing in Urbach energy and steepness parameter.

Direct band gap optical emission from Ge islands grown on relaxed Si0.5Ge0.5/Si (100) substrate

2014 ◽  
Vol 115 (1) ◽  
pp. 013502 ◽  
Author(s):  
R. Aluguri ◽  
S. Manna ◽  
S. K. Ray
Keyword(s):  
Band Gap ◽  
Optical Emission ◽  
Direct Band Gap ◽  
Direct Band

Theoretical Derivations of a Direct Band Gap Semiconductor of SiC Doped with Ge

2014 ◽  
Vol 44 (1) ◽  
pp. 167-176 ◽  
Author(s):  
Adit Ghosh ◽  
Chandrika Varadachari
Keyword(s):  
Band Gap ◽  
Direct Band Gap ◽  
Direct Band
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